India will launch electronic intelligence satellite Emisat on April 1

India will launch electronic intelligence satellite Emisat on April 1

Details :

News Summary

  • ISRO will soon launch EMISAT, an electronic intelligence satellite on board PSLV (PSLV-C45).
  • EMISAT will be launched into low earth orbit at the height of 749 km above the surface of the earth.

 

In focus: EMISAT

  • EMISAT is an electronic intelligence satellite developed by ISRO and DRDO.
  • The 435-kg EMISAT was developed under project KAUTILYA of Defence Electronics Research Laboratory of DRDO.
  • It is basically designed to intercept signals from enemy radars in order to develop effective jamming techniques to counter the enemy radar.
  • Satellite-based electronic intelligence will augment the armed forces to counter radars.
  • It will be launched in a highly elliptical orbit to maximize the dwell time over specific signal recording area.

 

 

In brief: Electronic intelligence (ELINT)

  • Electronic Intelligence basically involves interception of signals from radars.
  • Once the signal is intercepted, the ELINT system collects data related to radar signals including its bandwidth, intensity, location from where it is emitted etc creating what is called a RF signature. (Radio frequency)
  • Once the RF signature is created it can be used for locating and identifying the radar in subsequent encounters.
  • It can also help in developing appropriate jamming techniques to counter the radar.
Section : Science & Tech

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